diff options
| author | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-09-10 15:19:14 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-09-11 20:32:17 +0300 |
| commit | c0decac19da3906d9b66291e57b7759489e1170f (patch) | |
| tree | 0eeb1f7d2c5464e0c87e0c788fd8fb581662c621 /drivers/media/usb/uvc/uvc_v4l2.c | |
| parent | b730c40813a95ebc35757790a990794f55e2b61c (diff) | |
| download | linux-c0decac19da3906d9b66291e57b7759489e1170f.tar.xz | |
media: use strscpy() instead of strlcpy()
The implementation of strscpy() is more robust and safer.
That's now the recommended way to copy NUL terminated strings.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/usb/uvc/uvc_v4l2.c')
| -rw-r--r-- | drivers/media/usb/uvc/uvc_v4l2.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c index 18a7384b50ee..b26182ce7462 100644 --- a/drivers/media/usb/uvc/uvc_v4l2.c +++ b/drivers/media/usb/uvc/uvc_v4l2.c @@ -591,8 +591,8 @@ static int uvc_ioctl_querycap(struct file *file, void *fh, struct uvc_video_chain *chain = handle->chain; struct uvc_streaming *stream = handle->stream; - strlcpy(cap->driver, "uvcvideo", sizeof(cap->driver)); - strlcpy(cap->card, vdev->name, sizeof(cap->card)); + strscpy(cap->driver, "uvcvideo", sizeof(cap->driver)); + strscpy(cap->card, vdev->name, sizeof(cap->card)); usb_make_path(stream->dev->udev, cap->bus_info, sizeof(cap->bus_info)); cap->capabilities = V4L2_CAP_DEVICE_CAPS | V4L2_CAP_STREAMING | chain->caps; @@ -618,7 +618,7 @@ static int uvc_ioctl_enum_fmt(struct uvc_streaming *stream, fmt->flags = 0; if (format->flags & UVC_FMT_FLAG_COMPRESSED) fmt->flags |= V4L2_FMT_FLAG_COMPRESSED; - strlcpy(fmt->description, format->name, sizeof(fmt->description)); + strscpy(fmt->description, format->name, sizeof(fmt->description)); fmt->description[sizeof(fmt->description) - 1] = 0; fmt->pixelformat = format->fcc; return 0; @@ -859,7 +859,7 @@ static int uvc_ioctl_enum_input(struct file *file, void *fh, memset(input, 0, sizeof(*input)); input->index = index; - strlcpy(input->name, iterm->name, sizeof(input->name)); + strscpy(input->name, iterm->name, sizeof(input->name)); if (UVC_ENTITY_TYPE(iterm) == UVC_ITT_CAMERA) input->type = V4L2_INPUT_TYPE_CAMERA; @@ -939,7 +939,7 @@ static int uvc_ioctl_query_ext_ctrl(struct file *file, void *fh, qec->id = qc.id; qec->type = qc.type; - strlcpy(qec->name, qc.name, sizeof(qec->name)); + strscpy(qec->name, qc.name, sizeof(qec->name)); qec->minimum = qc.minimum; qec->maximum = qc.maximum; qec->step = qc.step; |